getMostRecentTradeSize() returns -1

[ssg10]

I do simple function:

function main() {

debugPrintln(getMostRecentBidSize());

}


and it prints -1 all the time during $playback of YM #F tick file.

Any idea why?

[ACM]

ssg10
The getMostRecent***Size() functions return valid values only with real time data.
For your information, you can find answers to many questions by running a Search. For example if you run a search for the Keyword getmostrecent* tick replay you will find this thread with the same question.
Alex